vim: remove after/syntax/cpp.vim

(cherry picked from commit 44ace6a777abfdd0837529085e17626dd0fba3fd)

Conflicts:
	.vim/after/syntax/cpp.vim
vim: Delete ftplugin folder. Move everything to after/ftplugin

(cherry picked from commit e8cef71b32d746580011d40f7756a70e25b5017c)

Conflicts:
	.vim/after/ftplugin/swift.vim